Home / 134,889,434.40-186,151,931.20-82,668,379.04

Finding the Fourth Proportional to 134,889,434.40, 186,151,931.20 and 82,668,379.04

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Solution

The fourth proportional to 134,889,434.40, 186,151,931.20 and 82,668,379.04 is: 114,085,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,889,434.40 : 186,151,931.20 = 82,668,379.04 : x
  2. Step 2: Convert to fraction form
    134,889,434.40/186,151,931.20 = 82,668,379.04/x
  3. Step 3: Cross multiply
    134,889,434.40x = 186,151,931.20 × 82,668,379.04
  4. Step 4: Simplify right side
    134,889,434.40x = 15,388,878,407,469,602
  5. Step 5: Solve for x
    x = 15,388,878,407,469,602/134,889,434.40
  6. Step 6: Final answer
    x = 114,085,128.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.